122Each button for selecting marking mode is displayed at the bottom of eachscreen in common. Note that the button for selecting marking mode is notdisplayed on the following screens, “Operation Screen”, “USB media”, and“Environment Setting”.MaintenanceP.133Operator Adjusting Screen P.129Operator Adjustable Items P.1304-1 Screen CompositionOperation ScreenP.126I/O Check Monitor P.133Error Log P.134Selecting Marking ModeP.135SettingOperator Adjustment ScreenP.129Dual pointer P.136Guide laser P.137Test Marking P.138RUN Mode P.139ME-LP400V-OP-6